package com.blithe.cms.common.tools;

import java.security.MessageDigest;

/**
 * @Author: nankexiansheng
 * @Description: MD5加密
 * @Date: 2020/3/10
 * @Param:
 * @Return:
 **/
public class MD5 {

    public static String md5(String str) {
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(str.getBytes());
            byte[] b = md.digest();

            StringBuffer buf = new StringBuffer("");
            for (int offset = 0; offset < b.length; offset++) {
                int i = b[offset];
                if (i < 0){
                    i += 256;
                }
                if (i < 16){
                    buf.append("0");
                }
                buf.append(Integer.toHexString(i));
            }
            str = buf.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return str;
    }

    public static void main(String[] args) {
        System.out.println(md5("123456"));
    }

}
